ISO 3707-1976 标准详情
- 标准号:ISO 3707-1976
- 中文标题:工业用(包括食品)磷酸;钙含量测定;火焰原子吸收法
- 英文标题:phosphoric acid for industrial use (including foodstuffs); determination of calcium content; flame atomic absorption method
- 标准类别:国际标准化组织标准ISO
- 发布日期:1976-12-15
Applicable to products having a Ca content of more than 50 mg/kg. Soluble SiO2 present in the solution at levels lower than 5 g/ml does not interfere. The principle consists in addition, to a hydrochloric acid solution of the test portion, of sodium
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